Merge pull request #2 from hawson/master

Add 3ware raid array monitoring.

3ware/3ware.cf

@@ -0,0 +1,62 @@
+#######################################################
+# Check the status of 3ware arrays
+#######################################################
+# $Id: 3ware.cf 1286 2011-04-14 17:54:27Z beckerjes $
+
+bundle agent 3ware {
+vars:
+    'TW_packages' slist => {
+        'tw_cli',
+    };
+
+    'tw_report_file' string => '${g.admshare}/3ware_report.txt';
+
+    (TW_raid_okay|TW_raid_fault).has_report_file::
+        'tw_report' string => readfile("${tw_report_file}","64k"),
+                    policy => 'free';
+
+classes:
+
+    'has_report_file'      expression => isplain("${tw_report_file}");
+    'have_run_module'              or => { 'TW_raid_okay', 'TW_raid_fault' };
+    'have_report_variable' expression => isvariable('tw_report');
+    'ready_to_report'             and => {  "have_run_module", 
+                                            "have_report_variable",
+                                            "hardware_3ware",
+                                             }; 
+
+
+packages:
+
+    hardware_3ware::
+        "${TW_packages}"
+            package_policy        => "add",
+            package_method        => yum,
+            package_architectures => { "x86_64"};
+
+
+commands:
+
+    hardware_3ware::
+        # This module should (de)assert the following classes:
+        # Class:    TW_raid_okay      -- Indicates no errors found.
+        # Class:    TW_raid_fault     -- Indicates an error was found.
+        #
+        # The module should take a path to output the report file as 
+        # the only argument. Module script is copied as part of failsafe.cf
+
+        "${sys.workdir}/modules/check_3ware.sh ${tw_report_file}"
+             module => 'true',
+             action => if_elapsed('60'),
+             handle => 'check_3ware_array',
+            contain => quiet_no_shell_umask22;
+
+reports:
+
+    ready_to_report.TW_raid_okay.(inform_mode|verbose_mode)::
+        "All 3ware RAID arrays appear nominal.";
+
+    ready_to_report.TW_raid_fault::
+        "ERROR!  3Ware array faulted!${const.n}${tw_report}";
+
+}

3ware/check_3ware.sh

@@ -0,0 +1,76 @@
+#!/bin/sh
+# $Id: check_3ware.sh 1286 2011-04-14 17:54:27Z beckerjes $
+# (C) Jesse Becker
+
+# Gotta be root to run tw_cli
+if [ 0 != $UID ]; then
+    exit 1;
+fi
+
+# Set a sane defaults.  Argument number 1 is 
+# a path for the final report to be written.
+# Argument 2 is the location for tw_cli (if not in /sbin)
+REPORT_FILE="${1-/tmp/TW_report_file.txt}"
+TW_CLI=${2-/sbin/tw_cli}
+
+
+if [ ! -x "$TW_CLI" ]; then
+    echo "+TW_missing_tw_cli"
+    exit 1;
+fi
+
+# a list of temp files to remove at the end.
+FILES=""
+
+# Get a list of the controllers on this host.
+CONTROLLERS=`$TW_CLI info | awk '/^c[0-9]+/{print $1}'`
+
+# Loop over each controller
+for C in $CONTROLLERS; do
+
+	CINFO="/tmp/tw_con_info_$C"
+
+	FILES="$FILES $CINFO"
+
+    # Dump the controller info. From this, we can parse 
+    # out the number of LUNs ("units") on the controller.
+	$TW_CLI info $C > $CINFO
+
+    # Extract the units from the controller info.
+	UNITS=`awk '/^u[0-9]+/{print $1}' $CINFO`
+
+    # Dump info from each unit.
+	for U in $UNITS; do
+		$TW_CLI info $C $U >> $CINFO
+	done
+
+done
+
+# Add a datestamp, and concatenate all the files.
+# this is so that a cfengine bundle can just read
+# a single file, instead of 
+date > $REPORT_FILE
+cat $FILES >> $REPORT_FILE
+
+# look for "bad stuff"
+egrep -q 'NOT-PRESENT|INITIALIZING|INIT-PAUSED|REBUILDING|REBUILD-PAUSED|DEGRADED|MIGRATING|MIGRATE-PAUSED|RECOVERY|INOPERABLE|UNKNOWN' $REPORT_FILE
+
+if [ 0 = "$?" ]; then
+	# Found bad stuff!
+	#echo "+TW_raid_okay"
+	echo "+TW_raid_fault"
+else
+	# no bad stuff found
+	echo "+TW_raid_okay"
+	#echo "+TW_raid_fault"
+fi
+
+# Commented out...
+#echo "=tw_report_file=$REPORT_FILE"
+
+# Comment out, to see the temp files.
+rm -f $FILES
+
+exit 0
+
+# EoL